Base | Representation |
---|---|
bin | 1000010000110111101000 |
3 | 11002001112102 |
4 | 20100313220 |
5 | 1023304443 |
6 | 114232532 |
7 | 24261410 |
oct | 10206750 |
9 | 4061472 |
10 | 2166248 |
11 | 124a597 |
12 | 885748 |
13 | 5ab006 |
14 | 405640 |
15 | 2cbcb8 |
hex | 210de8 |
2166248 has 32 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 916800.
The previous prime is 2166233. The next prime is 2166251. The reversal of 2166248 is 8426612.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2166248.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465 + ... + 5847.
It is an arithmetic number, because the mean of its divisors is an integer number (146880).
22166248 is an apocalyptic number.
2166248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2166248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2350080).
2166248 is an abundant number, since it is smaller than the sum of its proper divisors (2533912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2166248 is a wasteful number, since it uses less digits than its factorization.
2166248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 497 (or 493 counting only the distinct ones).
The product of its digits is 4608, while the sum is 29.
The square root of 2166248 is about 1471.8179235218. The cubic root of 2166248 is about 129.3905994555.
The spelling of 2166248 in words is "two million, one hundred sixty-six thousand, two hundred forty-eight".
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